involve.html - v.tr.
1 (often foll. by in) cause (a person or thing) to participate, or share the experience or effect (in a situation, activity, etc.).
2 imply, entail, make necessary.
3 (foll. by in) implicate (a person in a charge, crime, etc.).
4 include or affect in its operations.
5 (as involved adj.) a (often foll. by in) concerned or interested. b complicated in thought or form. [ME f. L involvere involut- (as IN-(2), volvere roll)]

involve.html - n.
1 (often foll. by in, with) the act or an instance of involving; the process of being involved.
2 financial embarrassment.
3 a complicated affair or concern.

involve.html - n.
1 a covering or envelope.
2 Anat. a membranous envelope.
3 Bot. a whorl of bracts surrounding an inflorescence.

involucral adj. [F involucre or L involucrum (as INVOLVE)]

involve.html - adj.
1 done without the exercise of the will; unintentional.
2 (of a limb, muscle, or movement) not under the control of the will.

involuntarily adv. involuntariness n. [LL involuntarius (as IN-(1), VOLUNTARY)]

involve.html - adj. & n.
--adj.

1 involved, intricate.
2 curled spirally.
3 Bot. rolled inwards at the edges.

--n.

Geom. the locus of a point fixed on a straight line that rolls without sliding on a curve and is in the plane of that curve (cf. EVOLUTE). [L involutus past part. of involvere: see INVOLVE]

involve.html - adj.
1 complicated, abstruse.
2 = INVOLUTE adj. 2.